A wristband, particularly suitable for athletic use, comprising an elastic moisture absorbing sleeve having a high friction surface located over a major portion of the wristband whereby a ball, such as a football, gripped between the wristband and the wearer's body resists removal or dropping....http://www.google.es/patents/US5418980?utm_source=gb-gplus-sharePatente US5418980 - Friction enhancing wristband